"And although I've been very fortunate in the film work that's come my way, I need to get back to the stage. If I'm away for a maximum of two years, I feel something's wrong"

Ralph Fiennes is expressing his requirement to return to the phase after having actually been lucky in the film work he has actually been able to do. He is suggesting that if he is away from the phase for an optimum of 2 years, he feels something is wrong. This could be analyzed as Fiennes feeling that he needs to stay connected to the phase in order to remain real to his craft and to remain linked to his roots. It could also be interpreted as Fiennes feeling that he requires to stay connected to the stage in order to stay inspired and to remain innovative. It might likewise be interpreted as Fiennes feeling that he requires to remain connected to the stage in order to stay linked to his audience and to remain connected to the art kind.